Marine torch.



- PATBNTBD SEPT.. 29,1903. w. H. Ross J. A. wA'rsoN,

MARINE Tosca.

MPLIftLrrw FILED JAH. 25. NGL

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Ho. 740,317. wg' i Yetcnted September 29, 1903.

UNITED STATES, PATENT OFFICE.

'ILLIAM H. ROSE, `Ol? BALTIMORE, MARYL.- X D, AND JAMES ArWATSOX, OF XVAS'HIXGTON, DSTRICT OF COLUMBIA, ASSI'GNORS TO THE MARINE TORCH COMPANY OF BALTIMORE CITY, OF BALTlllORE, MARYLAND.

MARlNE TORCH.

SPECIIEIGATION forming part of Lettere Patent No. 740,817, dated September 29, 1903. Application led Jennery 26,1903. Se'rialNo. 9,1350. (No niodel Y .To all whom it may concern: phragin 7 is provided to prevent the carbid Be it known that we, "ILLXMLII. ROSE, refrom getting into the upper part of the torch, siding et the city of Bnltimoretnteof Maryand perforar-lions S are provided to admit we 1nnd,andJrnmsAfwnfrsoxresidingutwashter to the carbid when the torch ie aillent. 5 ingtomin the Districtef Colnnibin,citizciiso The larger part of the shell l is empty, ren- 55 the United States, hure invented certain new dering it buoyant, ns shown in Fig. 3. und useful Improvements in Murine Torches, I t is sometimes desirable to light up a seof which the following is n specification. looted pnrt or parte of n harbor or waterway,

This invention consists 1n menus forstoring as in the case of the presence of an enemys 'to n buoyant torch on the bottomfof u harbor i'essel at night, and itis the purpose of this 6o or waterway and menus for releasing the invention to supply n convenient and effecttorch at will, eo that it may float to the snrive device forthis class of illumination. To

face to illuminate any-objects in the vicinity, this end the torch a is normally contained thetorch being one of VVthat class which will within n seu-led cnn or casing b. The casing x5 automatically ignite in Contact with water. b is'prefemhly cylindrical, as is the torch, 65

In the accompanying drawings, Figure l is and provi-ded .with n vweighted bottom 9 to a central sectional view of n torch and the conse it to stand or lient upright in the wacasing within which it ie hermeticellyseuled. ter. The device is preferably provided with Fig.- 2 is n plan View of the top plate of the un anchor 10 to retain the causing at the place 2o casing, and Fig. 3 is a view illustrating the where the torch is desird to operate. The 7o action of the torch. torch is stored within Lhcusinlg, ns shown,-

The torch a is of that class described in and connected to the using by 'a cord or Letters PntentNo.' 647,610, issued to Rose and lchain 11 to anchor the torch and prevent it Holmes ou April 17, 1900. The charncterfrom drifting away when released.

a5 istics of these torches aret'nat `when placed in water they will float and the water will ing the casing to release the torch. A vaentcr through certain orifices and coming in" riety of devices might be suggested for ac contact with carbid' of calcium will produce complishing this object. The device in the acetylene gee, which issues from burners at drawings is constructed us follows: A strong 3o the upper part of the torch. These torches plate 12 fits Within the upper end of the cas- 8o are also provided with a chemical ign-iter, ing and rests upon nshonlder 13. Ahoi ethe preferably phosphid of calcium, which in the plate' l2 is a stout oep-plate 14, having a sepresence of' water will produce a flame to igries of projections 15, which fit within holes nite the acetylene gas. 16 in the-plate 12, and also a circular rib 17,

The particular torch a illustrated in the which interlocks with ribs ).Snnd 19 on the 85 ldrawings is -not claimed herein, as it'forms plate 12. Between the plates 1:3 and 14. is a the Subject of al copending application filed. chamber 20, containing gnnpowder or other by Tilliam H. Rose. This torch may be explosive material. Acableill extends from briefly described as fellows: the chamber 2O to a convenient point on shore 4Q The torcha consists of a hollow cylinder 1, or on shipboard, seid cable`cont-aining con- 9o having a top plate 2,A in which are gas-bnrnductors through which a current may he sent ers 3. At the bottom of the torch is a phosto ignite the explosive in the chnnfilmr- 20. phid-chamber 4, hving a. smell opening at In order to protect the connection-of the caits bottom to admit water and having an ontble to the' cap and also to permit the easing 45 1ettube 5, the upper end ofehioh is adje.-y to stand or float upright in the water, the ea; 95

cent to the burners 3. The chamber 4 is ble is brought down to the bottom of the cas preferably charged with lumps of phosphid ing and connected to it 'by suitable clips 22.

of calcium. Surrounding the chamber 4 is a The joint between the cable and the cap is qnantitity of carbid o f calcium, preferably of course water-tight. Theqointbetween the 5o in the form of lumps .6. A perforated dia.- cap and the casing is coveredv by a. ring of roo -Meens are provided fora'utommicailyopen- 75 

